sky121113
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71 lines
2.0 KiB
PHP
71 lines
2.0 KiB
PHP
<?php
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namespace App\Traits;
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use Illuminate\Http\UploadedFile;
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use Illuminate\Support\Facades\Storage;
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use Illuminate\Support\Str;
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trait ImageHandler
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{
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/**
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* 將圖片轉換為 WebP 並儲存
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*
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* @param UploadedFile $file 原始檔案
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* @param string $directory 儲存目錄 (不含 disk 名稱)
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* @param int $quality 壓縮品質 (0-100)
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* @return string 儲存的路徑
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*/
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protected function storeAsWebp(UploadedFile $file, string $directory, int $quality = 80): string
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{
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$filename = Str::random(40) . '.webp';
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$path = "{$directory}/{$filename}";
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// 讀取原始圖片資訊
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$imageInfo = getimagesize($file->getRealPath());
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if (!$imageInfo) {
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return $file->store($directory, 'public');
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}
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$mime = $imageInfo['mime'];
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$source = null;
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switch ($mime) {
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case 'image/jpeg':
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$source = imagecreatefromjpeg($file->getRealPath());
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break;
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case 'image/png':
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$source = imagecreatefrompng($file->getRealPath());
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break;
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case 'image/gif':
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$source = imagecreatefromgif($file->getRealPath());
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break;
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case 'image/webp':
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$source = imagecreatefromwebp($file->getRealPath());
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break;
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default:
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// 不支援的格式直接存
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return $file->store($directory, 'public');
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}
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if (!$source) {
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return $file->store($directory, 'public');
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}
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// 確保支援真彩色 (解決 palette image 問題)
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if (!imageistruecolor($source)) {
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imagepalettetotruecolor($source);
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}
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// 確保目錄存在
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Storage::disk('public')->makeDirectory($directory);
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$fullPath = Storage::disk('public')->path($path);
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// 轉換並儲存
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imagewebp($source, $fullPath, $quality);
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imagedestroy($source);
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return $path;
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}
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}
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